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CCNA Routing and Switching

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Exam Profile: Cisco 200-120 CCNA Routing and Switching
May 9, 2013
This article profiles the Cisco CCNA 200-120 exam for the CCNA Routing and Switching certification. Find out what you can expect to see on the exam and how you can better prepare for it.
Exam Profile: Cisco CCENT/CCNA ICND1 (640-822)
Dec 2, 2011
Wendell Odom profiles the Cisco CCENT/CCNA ICND1 640-822 exam. Find out what you can expect to see on the exam and how you can better prepare for it.
Exam Profile: Cisco CCNA 640-802
Dec 2, 2011
Wendell Odom profiles the Cisco CCNA 64-802 exam. Find out what you can expect to see on the exam and how you can better prepare for it.
Exam Profile: Cisco CCNA ICND2 640-816
Dec 2, 2011
Wendell Odom profiles the Cisco CCNA ICND2 640-816 exam. Find out what you can expect to see on the exam and how you can better prepare for it.
Five (or Six) Things That Will Make You a DHCP Wizard
Nov 17, 2015
You're probably using the Dynamic Host Configuration Protocol (DHCP) right now, as you read this article. Surprised? Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains what you need to know about the use of DHCP in modern communications.
Frame Relay for ICND Exam
Aug 29, 2003
Wendell Odom tells you what you need to know to ace the Frame Relay portion of the ICND Exam. In this sample chapter, he concentrates on Frame Relay protocols and configuration.
Fundamentals of IP for the CCNA INTRO Exam #640-821
Sep 12, 2003
Learn about the core concepts behind OSI Layer 3 and the main Layer 3 protocol used by TCP/IP to help you on the CCNA INTRO Exam.
Fundamentals of NAT
Apr 2, 2012
In this article, we are going to examine Network Address Translation (NAT) in its various forms, which is critical in today’s networks due to the depletion of IPv4 IP addresses for use on the public Internet.
Hardware and the OSI Model for the CCNA Exam
Mar 26, 2004
How Can I Possibly Learn Everything in the New ICND1?
May 2, 2013
Anthony Sequeira provides steps you can follow that should help you pursue excellence in entry-level Cisco certifications.
How Can I Possibly Learn Everything in the New ICND2?
May 2, 2013
Anthony Sequeira breaks down the ICND2 exam content, letter for letter, with a focus on scope that you should know.
Inner Workings of the Domain Name System (DNS)
Nov 24, 2015
When you type an address into a browser and hit Enter, you expect to arrive at the intended website. Without the Domain Name System (DNS), that wouldn't happen. Whether simple or very complex, networks worldwide rely on the DNS to connect client and target. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains how DNS connects one person or server with another, and why you need to know about this undervalued service.
Interview with CCNA Authors Lynn Maynes and Gary Heap
Jan 24, 2003
Here's what Gary Heap and Lynn Maynes, both CCIEs, have to say about their CCNA book and the CCNA exam.
Interview with Cisco Certification Expert Wendell Odom About the New CCNP Route 642-902 Exam and the CCNA Exams
May 21, 2010
In this interview Cisco certification expert Wendell Odom takes you on a brief tour of the new CCNP ROUTE exam, talks about preparation resources and his blog, and wraps up with a discussion of CCNA exam preparation tips.
Introduction to 31 Days Before Your CCNA Routing and Switching Exam
May 19, 2014
Allan Johnson provides a list of recommended resources to assist in your preparation for taking the CCNA Routing and Switching Exam. He also provides a brief introduction to the CCNA 200-201 Exam itself.
Introduction to Network Time Protocol (NTP)
Mar 20, 2012
This article serves as your introduction to the Network Time Protocol (NTP), which helps ensure that the time across network devices is accurate.
IP Access List Security for CCNA Exam #640-607
Apr 19, 2002
Wendell Odom reviews the characteristics and limitations of the distance vector routing protocol RIP as part of the preparation for the CCNA exam #640-607.
IP Subnetting Basics
Feb 29, 2012
This article is intended as an addressing and subnetting primer and will initially review what the Internet Protocol (IP) address is and how it is structured; it will then go over a number of the main IP concepts that are commonly referenced in subnetting documentation and guides.
IPv6 According to ICND1 Version 2
Mar 26, 2013
Anthony Sequeira examines many of the key facts that one should know about the next generation of the Internet Protocol suite, IPv6, at the modified CCENT level. This article also serves as a guide for understanding the scope of what is covered in the new ICND1.
LAN Device Review
Dec 19, 2011
This article takes a look at the different common devices that are seen on a modern network and provides a description of how some of these device functions have been combined over the last 20 years.

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